when governor romney in 2012 makes a campaign promise about taxes, the obama campaign calls governor romney a liar. why is one guy's campaign promises now broken? not a lie, the other guy's campaign promises a lie. how can that be? here's david axelrod on cbs's "face the nation." are you saying that governor romney died or was dishonest? >> dishonest, absolutely. when he said he never proposed $5 trillion in tax cuts, that was dishonest. >> when senator obama said in 2008, i'm going to cut the deficit in half, close gitmo, people said that was unrealistic, but didn't say he wasn't telling the truth. there's a difference, isn't there? >> no. closing gitmo involved an act of congress, and he wasn't able to get congress to agree with him on that question. this is basic math. >> greta: joining us our political panel, abc news senior washington editor rick klein, casey huntington, and byron york. rick, first you. i thought it was executive order to close gitmo, just needed congress to place the people. am i right? >> they realized it was going to be harder than they wanted. the distinctio